Unit 2467: Renewable Energy Technologies and Sustainable Practices

1. Introduction to Renewable Energy

• Definition and significance of renewable energy
• Overview of renewable energy sources:
  • Solar
  • Wind
  • Hydroelectric
  • Geothermal
  • Biomass
• Importance of renewables in sustainable development and climate change mitigation

2. Solar Energy Technologies

2.1 Photovoltaic (PV) Systems

• Working principles of PV cells
• Types of PV systems (grid-connected, off-grid, hybrid)
• Applications in electricity generation

2.2 Solar Thermal Collectors

• Flat plate and evacuated tube collectors
• Applications for water heating and space heating

2.3 Concentrated Solar Power (CSP)

• Types of CSP systems (parabolic trough, solar tower, dish Stirling)
• Electricity generation using CSP

3. Wind Energy Systems

3.1 Wind Turbines

• Components and working mechanism
• Types of turbines (horizontal-axis, vertical-axis)

3.2 Wind Farms

• Site selection and layout considerations
• Environmental benefits and challenges

3.3 Conversion of Wind Energy to Electrical Power

• Energy capture and conversion process

4. Hydropower and Ocean Energy

4.1 Hydropower Plants

• Types (run-of-river, reservoir, pumped storage)
• Energy conversion process

4.2 Tidal Energy

• Principles and technologies
• Advantages and limitations

4.3 Wave Energy

• Wave energy converters
• Potential and challenges

4.4 Ocean Thermal Energy Conversion (OTEC)

• Working principles
• Applications and feasibility

5. Geothermal Energy Utilization

5.1 Geothermal Power Plants

• Types (dry steam, flash steam, binary cycle)
• Electricity generation from geothermal heat

5.2 Direct Use Applications

• Heating buildings, greenhouses, and industrial uses

6. Biomass and Biofuels

6.1 Biomass Sources

• Wood, crop residues, organic waste
• Biomass conversion methods (combustion, gasification, anaerobic digestion)

6.2 Biofuel Production

• Biodiesel and ethanol processes
• Environmental impacts and benefits

7. Energy Storage Solutions

7.1 Batteries

• Types (lithium-ion, lead-acid, flow batteries)
• Role in renewable energy integration

7.2 Pumped Hydro Storage

• Working principle
• Applications and limitations

7.3 Thermal Energy Storage

• Methods and technologies
• Use in solar thermal systems

8. Sustainable Practices in Energy Consumption

8.1 Energy Efficiency Measures

• Insulation, efficient appliances, lighting

8.2 Smart Grid Technologies

• Demand response, real-time monitoring

8.3 Demand-Side Management Strategies

• Load shifting, peak shaving

9. Policies and Regulations for Renewable Energy

• Government incentives and subsidies
• Renewable Portfolio Standards (RPS)
• Feed-in Tariffs (FiTs)
• International agreements and national policies
• Impact on market adoption and technology development